Part 10 of cc/ directory shuffles: layers

cc/texture_layer.h

-// Copyright 2010 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#ifndef CC_TEXTURE_LAYER_H_
-#define CC_TEXTURE_LAYER_H_
-
-#include <string>
-
-#include "base/callback.h"
-#include "cc/base/cc_export.h"
-#include "cc/layer.h"
-#include "cc/resources/texture_mailbox.h"
-
-namespace WebKit { class WebGraphicsContext3D; }
-
-namespace cc {
-
-class TextureLayerClient;
-
-// A Layer containing a the rendered output of a plugin instance.
-class CC_EXPORT TextureLayer : public Layer {
- public:
-  // If this texture layer requires special preparation logic for each frame
-  // driven by the compositor, pass in a non-nil client. Pass in a nil client
-  // pointer if texture updates are driven by an external process.
-  static scoped_refptr<TextureLayer> Create(TextureLayerClient* client);
-
-  // Used when mailbox names are specified instead of texture IDs.
-  static scoped_refptr<TextureLayer> CreateForMailbox();
-
-  void ClearClient() { client_ = NULL; }
-
-  virtual scoped_ptr<LayerImpl> CreateLayerImpl(LayerTreeImpl* tree_impl)
-      OVERRIDE;
-
-  // Sets whether this texture should be Y-flipped at draw time. Defaults to
-  // true.
-  void SetFlipped(bool flipped);
-
-  // Sets a UV transform to be used at draw time. Defaults to (0, 0) and (1, 1).
-  void SetUV(gfx::PointF top_left, gfx::PointF bottom_right);
-
-  // Sets an opacity value per vertex. It will be multiplied by the layer
-  // opacity value.
-  void SetVertexOpacity(float bottom_left,
-                        float top_left,
-                        float top_right,
-                        float bottom_right);
-
-  // Sets whether the alpha channel is premultiplied or unpremultiplied.
-  // Defaults to true.
-  void SetPremultipliedAlpha(bool premultiplied_alpha);
-
-  // Sets whether this context should rate limit on damage to prevent too many
-  // frames from being queued up before the compositor gets a chance to run.
-  // Requires a non-nil client.  Defaults to false.
-  void SetRateLimitContext(bool rate_limit);
-
-  // Code path for plugins which supply their own texture ID.
-  void SetTextureId(unsigned texture_id);
-
-  // Code path for plugins which supply their own mailbox.
-  void SetTextureMailbox(const TextureMailbox& mailbox);
-
-  void WillModifyTexture();
-
-  virtual void SetNeedsDisplayRect(const gfx::RectF& dirty_rect) OVERRIDE;
-
-  virtual void SetLayerTreeHost(LayerTreeHost* layer_tree_host) OVERRIDE;
-  virtual bool DrawsContent() const OVERRIDE;
-  virtual void Update(ResourceUpdateQueue* queue,
-                      const OcclusionTracker* occlusion,
-                      RenderingStats* stats) OVERRIDE;
-  virtual void PushPropertiesTo(LayerImpl* layer) OVERRIDE;
-  virtual bool BlocksPendingCommit() const OVERRIDE;
-
-  virtual bool CanClipSelf() const OVERRIDE;
-
- protected:
-  TextureLayer(TextureLayerClient* client, bool uses_mailbox);
-  virtual ~TextureLayer();
-
- private:
-  TextureLayerClient* client_;
-  bool uses_mailbox_;
-
-  bool flipped_;
-  gfx::PointF uv_top_left_;
-  gfx::PointF uv_bottom_right_;
-  // [bottom left, top left, top right, bottom right]
-  float vertex_opacity_[4];
-  bool premultiplied_alpha_;
-  bool rate_limit_context_;
-  bool context_lost_;
-  bool content_committed_;
-
-  unsigned texture_id_;
-  TextureMailbox texture_mailbox_;
-  bool own_mailbox_;
-
-  DISALLOW_COPY_AND_ASSIGN(TextureLayer);
-};
-
-}
-#endif  // CC_TEXTURE_LAYER_H_